Lenovo SYSTEM BOARDS
04W2037
is compatible in the following Models:
Lenovo ThinkPad W Series laptops
ThinkPad W520 - 4270CTO
ThinkPad W520 - 4282B44
ThinkPad W520 - 4282CTO
ThinkPad W520 - 4282PS3
ThinkPad W520 - 4282PZ7
ThinkPad W520 - 4282RD2
ThinkPad W520 - 4282RG4
ThinkPad W520 - 4282RK6
ThinkPad W520 - 4282RS4
ThinkPad W520 - 4284AF9